<template>
  <div class="app-container">
    <el-card class="query-card" v-show="showSearch">
      <el-form :model="queryParams" size="small" ref="queryForm" :inline="true" v-show="showSearch" label-width="80px">
        <el-form-item label="分类名称" prop="typeName">
          <el-input
            v-model="queryParams.typeName"
            placeholder="请输入分类名称"
            clearable
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="分类编码" prop="typeCode">
          <el-input
            v-model="queryParams.typeCode"
            placeholder="请输入分类编码"
            clearable
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="是否显示" prop="enable">
          <el-select v-model="queryParams.enable" placeholder="请选择" clearable size="small">
            <el-option
              v-for="dict in dict.type.sys_show_hide"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            />
          </el-select>
        </el-form-item>
        <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
        </el-form-item>
      </el-form>
    </el-card>

    <el-card class="table-card">
      <el-row :gutter="10" class="mb8">
        <el-col :span="1.5">
          <el-button
            type="primary"
            plain
            icon="el-icon-plus"
            size="mini"
            @click="handleAdd"
            v-hasPermi="['blog:type:add']"
          >新增</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="info"
            plain
            icon="el-icon-sort"
            size="mini"
            @click="toggleExpandAll"
          >展开/折叠</el-button>
        </el-col>
        <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
      </el-row>

      <vxe-table
        :loading="loading"
        resizable
        row-key
        ref="tableRef"
        :row-config="{isHover: true}"
        v-if="refreshTable"
        :data="typeList"
        :class="showSearch ? 'table-container' : 'table-container-full'"
        :tree-config="{
          transform: true,
          rowField: 'typeCode',
          parentField: 'typeCodeP',
          expandAll: isExpandAll,
          iconOpen: 'vxe-icon-arrow-right',
          iconClose: 'vxe-icon-arrow-right'
        }"
      >
        <vxe-column title="分类名称" field="typeName" min-width="150" tree-node/>
        <vxe-column title="帖子数" align="center" field="typeBlogCount" min-width="100" />
        <vxe-column title="分类颜色" align="center" field="typeColor" min-width="100">
          <template slot-scope="scope">
            <el-color-picker v-model="scope.row.typeColor"/>
          </template>
        </vxe-column>
        <vxe-column title="分类编码" align="center" field="typeCode" min-width="150"/>
        <vxe-column title="是否显示" align="center" field="enable" min-width="100">
          <template slot-scope="scope">
            <dict-tag :options="dict.type.sys_show_hide" :value="scope.row.enable"/>
          </template>
        </vxe-column>
        <vxe-column title="创建人" align="center" field="createBy" min-width="150"/>
        <vxe-column title="备注" align="center" field="remark" min-width="150"/>
        <vxe-column title="创建时间" align="center" field="createTime" min-width="150">
          <template slot-scope="scope">
            <span>{{ parseTime(scope.row.createTime) }}</span>
          </template>
        </vxe-column>
        <vxe-column title="操作" align="center" min-width="220" fixed="right">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleUpdate(scope.row)"
              v-hasPermi="['blog:type:edit']"
            >修改</el-button>
            <el-button
              size="mini"
              type="text"
              icon="el-icon-plus"
              @click="handleAdd(scope.row)"
              v-hasPermi="['blog:type:add']"
            >新增</el-button>
            <el-button
              size="mini"
              type="text"
              icon="el-icon-delete"
              @click="handleDelete(scope.row)"
              v-hasPermi="['blog:type:remove']"
            >删除</el-button>
          </template>
        </vxe-column>
      </vxe-table>
    </el-card>

    <!-- 添加或修改分类管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" v-if="open" v-drag-zoom append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-row class="row-content">
          <el-col :span="12">
            <el-form-item label="父分类" prop="typeCodeP">
              <treeselect v-model="form.typeCodeP" :options="typeOptions" :normalizer="normalizer" placeholder="请选择父分类编码" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="分类名称" prop="typeName">
              <el-input v-model="form.typeName" placeholder="请输入分类名称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="分类编码" prop="typeCode">
              <el-input v-model="form.typeCode" placeholder="请输入分类编码" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="分类颜色" prop="typeColor">
              <el-color-picker v-model="form.typeColor"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="是否显示" prop="enable">
              <el-radio-group v-model="form.enable">
                <el-radio
                  v-for="dict in dict.type.sys_show_hide"
                  :key="dict.value"
                  :label="dict.value"
                >{{dict.label}}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="备注" prop="remark">
              <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listType, getType, delType, addType, updateType } from "@/api/blog/type";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";

export default {
  name: "Type",
  dicts: ['sys_show_hide'],
  components: {
    Treeselect
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 分类管理表格数据
      typeList: [],
      // 分类管理树选项
      typeOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否展开，默认全部折叠
      isExpandAll: false,
      // 重新渲染表格状态
      refreshTable: true,
      // 查询参数
      queryParams: {
        typeName: null,
        typeBlogCount: null,
        typeCode: null,
        enable: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询分类管理列表 */
    getList() {
      this.loading = true;
      listType(this.queryParams).then(response => {
        this.typeList = response.data;
        this.loading = false;
      });
    },
    /** 转换分类管理数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.typeCode,
        label: node.typeName,
        children: node.children
      };
    },
	/** 查询分类管理下拉树结构 */
    getTreeselect() {
      listType().then(response => {
        this.typeOptions = [];
        const data = { typeCode: 0, typeName: '顶级节点', children: [] };
        data.children = this.handleTree(response.data, "typeCode", "typeCodeP");
        this.typeOptions.push(data);
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        typeName: null,
        typeBlogCount: null,
        typeColor: null,
        typeCode: null,
        enable: null,
        typeCodeP: null,
        delFlag: null,
        createBy: null,
        updateBy: null,
        remark: null,
        createTime: null,
        updateTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      this.getTreeselect();
      if (row != null && row.typeCode) {
        this.form.typeCodeP = row.typeCode;
      } else {
        this.form.typeCodeP = 0;
      }
      this.open = true;
      this.title = "添加分类管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.getTreeselect();
      if (row != null) {
        this.form.typeCodeP = row.typeCode;
      }
      getType(row.id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改分类管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateType(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addType(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$modal.confirm('是否确认删除分类管理编号为"' + row.id + '"的数据项？').then(function() {
        return delType(row.id);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 展开/折叠操作 */
    toggleExpandAll() {
      this.refreshTable = false;
      this.isExpandAll = !this.isExpandAll;
      this.$nextTick(() => {
        this.refreshTable = true;
      });
    },
  }
};
</script>
<style lang="scss" scoped>
::v-deep .table-container {
  .vxe-table {
    height: calc(100vh - 274px);
  }
  .vxe-table--body-wrapper {
    height: calc(100vh - 308px);
  }
  .fixed-left--wrapper,
  .fixed-right--wrapper {
    height: calc(100vh - 317px);
  }
}
::v-deep .table-container-full {
  .vxe-table {
    height: calc(100vh - 186px);
  }
  .vxe-table--body-wrapper {
    height: calc(100vh - 230px);
  }
  .fixed-left--wrapper,
  .fixed-right--wrapper {
    height: calc(100vh - 239px);
  }
}
</style>
